U.S. skier Mikaela Shiffrin

Team USA's Mikaela Shiffrin won Olympic gold in slalom at the 2014 Sochi Games, becoming the youngest person in Olympic history to win that event born. She was 22 days shy of turning 19 when he won. Shiffrin will look for more Olympic gold at the 2018 Olympics in PyeongChang, South Korea.

Women's slalom gold medal winner Mikaela Shiffrin of the United States holds up her bouquet at a flower ceremony at the Sochi 2014 Winter Olympics, Friday, Feb. 21, 2014, in Krasnaya Polyana, Russia. (AP Photo/Christophe Ena)

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Gold medalist Mikaela Shiffrin of the United States celebrates during the flower ceremony for the Women's Slalom during day 14 of the Sochi 2014 Winter Olympics at Rosa Khutor Alpine Center on Friday, Feb. 21, 2014.

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US skier Mikaela Shiffrin competes during the Women's Alpine Skiing Slalom Run 1 at the Rosa Khutor Alpine Center during the Sochi Winter Olympics on February 21, 2014.

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Mikaela Shiffrin of the United States reacts after the Alpine Skiing Women's Giant Slalom on day 11 of the Sochi 2014 Winter Olympics at Rosa Khutor Alpine Center on February 18, 2014 in Sochi, Russia.

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A skier is reflected in the goggles of United States' Mikaela Shiffrin as she stands on the alpine skiing training slopes at the Sochi 2014 Winter Olympics, Monday, Feb. 17, 2014, in Krasnaya Polyana, Russia. (AP Photo/Alessandro Trovati)

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Mikaela Shiffrin of the United States celebrates her third place in an alpine ski, women's World Cup giant slalom, in Lienz, Austria, Saturday, Dec. 28, 2013. (AP Photo/Giovanni Auletta)

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Mikaela Shiffrin, of the United States, speeds down the course during the first run of an alpine ski, women's World Cup slalom, in Courchevel, France, Tuesday, Dec. 17, 2013. (AP Photo/Giovanni Auletta)